Home / 8,615.24-11,889.52-4,838.20

Finding the Fourth Proportional to 8,615.24, 11,889.52 and 4,838.20

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Solution

The fourth proportional to 8,615.24, 11,889.52 and 4,838.20 is: 6,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.24 : 11,889.52 = 4,838.20 : x
  2. Step 2: Convert to fraction form
    8,615.24/11,889.52 = 4,838.20/x
  3. Step 3: Cross multiply
    8,615.24x = 11,889.52 × 4,838.20
  4. Step 4: Simplify right side
    8,615.24x = 57,523,875.66
  5. Step 5: Solve for x
    x = 57,523,875.66/8,615.24
  6. Step 6: Final answer
    x = 6,676.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.